Sasanian Drachm help - Khursu II or Hormazd VI?

I bought a coin last week I know absolutely nothing about than it’s pretty awesome.

The 2x2 it was in says Sassanian Empire and Kursue (Kusroe). I initially thought it was a Khusru II Drachm (590-628) Second Reign type II/3. However it weighs 4.11g and lacks the brave/praise on the obverse.

Seems like mint mark might be istakhr?

Could it be instead a Hormazd V or VI (630-632) Drachm?

I have no idea, know nothing about these and am swimming in the internet to learn. Any help at all is appreciated.